Home / 5,020.08-7,529.70-1,557

Finding the Fourth Proportional to 5,020.08, 7,529.70 and 1,557

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Solution

The fourth proportional to 5,020.08, 7,529.70 and 1,557 is: 2,335.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,020.08 : 7,529.70 = 1,557 : x
  2. Step 2: Convert to fraction form
    5,020.08/7,529.70 = 1,557/x
  3. Step 3: Cross multiply
    5,020.08x = 7,529.70 × 1,557
  4. Step 4: Simplify right side
    5,020.08x = 11,723,742.90
  5. Step 5: Solve for x
    x = 11,723,742.90/5,020.08
  6. Step 6: Final answer
    x = 2,335.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.